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Records of Natural Products
Yazarlar: Etienne Dongo, Hidayat Hussain, Renadin S. Miemanang, Dagobert Tazoo, Barbara Schulz, Karsten Krohn
Konular:-
Anahtar Kelimeler:Paullinia pinnata ,Klainedoxa gabonenses,Algicidal activity .
Özet: From the whole plant of Klainedoxa gabonenses betulinic acid (1), lupeol (2), ß-sitosterol (3), β-amyran-3-one (4) and 3,3',4'-tri-O-methylellagic acid (5) were isolated. Similarly paullinomide A (6), β-amyrin (7), 2-(4-hydroxy-3,5-dimethoxyphenyl)-3-hydroxymethyl-2,3-dihydro-1,4,5-trioxaphenanthren-6-one (8), 5α-poriferastane-3ß,6α-diol (9), β-sitosterol (3), l-quebrachitol (10), and ß-sitosterol glucopyranoside (11) were isolated from roots of Paullinia pinnata. Preliminary studies showed that 2-(4-hydroxy-3,5-dimethoxyphenyl)-3-hydroxymethyl-2,3-dihydro-1,4,5-trioxaphenanthren-6-one (8) showed moderate algicidal activity against the alga Chlorella fusca